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1. 发明授权

US09102804B2 Production method for water-absorbing resin powder 有权
标题翻译：吸水树脂粉的生产方法
公开(公告)号：US09102804B2
公开(公告)日：2015-08-11
申请号：US13395912
申请日：2010-09-16
申请人： Sayaka Machida , Kazushi Torii , Yoko Shirai , Hiroyuki Ikeuchi , Kunihiki Ishizaki
发明人： Sayaka Machida , Kazushi Torii , Yoko Shirai , Hiroyuki Ikeuchi , Kunihiki Ishizaki
IPC分类号： C08J3/12 , C08J3/28 , C08J3/24 , C08F220/06 , C08F222/10
CPC分类号： C08J3/28 , C08F220/06 , C08F222/1006 , C08J3/122 , C08J3/245 , C08J2300/00
摘要： A method for producing a water-absorbing resin comprises circulation of the water-absorbing resin in a predetermined amount in a pulverization step before a surface cross-linking step. At least a part of a classified polymer is supplied again to the same or a different pulverization step before the surface cross-linking step, wherein the circulation pulverization ratio in the pulverization step, represented by the following equation, is 1.10 to 1.50: (Circulation pulverization ratio)=(total supply amount of the water-absorbing resin to the pulverization step)/(total discharge amount of the water-absorbing resin at the drying step) wherein (total supply amount of the water-absorbing resin to the pulverization step)=(total discharge amount of the water-absorbing resin at the drying step)+(amount of the classified polymer supplied again to the same or a different pulverization step).
摘要翻译：吸水性树脂的制造方法包括在表面交联工序之前的粉碎工序中使规定量的吸水性树脂循环。将分级聚合物的至少一部分再次供给到在表面交联步骤之前的相同或不同的粉碎步骤中，其中由下式表示的粉碎步骤中的循环粉碎比为1.10至1.50：（循环粉碎比）=（粉碎步骤中的吸水性树脂的总供给量）/（干燥工序中的吸水性树脂的总排出量）（其中，对粉碎工序的吸水性树脂的总供给量）=（干燥步骤中的吸水性树脂的总排出量）+（再次供给到相同或不同的粉碎工序的分类聚合物的量）。

2. 发明申请

US20120220745A1 PRODUCTION METHOD FOR WATER-ABSORBING RESIN POWDER 有权
标题翻译：吸水树脂粉的生产方法
公开(公告)号：US20120220745A1
公开(公告)日：2012-08-30
申请号：US13496440
申请日：2010-09-16
申请人： Sayaka Machida , Kazushi Torii , Yoko Shirai , Hiroyuki Ikeuchi , Kunihiko Ishizaki
发明人： Sayaka Machida , Kazushi Torii , Yoko Shirai , Hiroyuki Ikeuchi , Kunihiko Ishizaki
IPC分类号： C08F20/06
CPC分类号： C08J3/28 , C08F220/06 , C08F222/1006 , C08J3/122 , C08J3/245 , C08J2300/00
摘要： [PROBLEM]It is an object of the present invention to enhance and stabilize properties of a water-absorbing resin, for example, damage resistance or water-absorbing speed, by a simple and convenient method without requiring change of raw materials or expensive facility investment, in a large scale production method for the water-absorbing resin.[MEANS FOR SOLVING THE PROBLEM]It is solved by circulation of the water-absorbing resin in a predetermined amount or more in the pulverization step before the surface cross-linking step. That is, at least a part of the classified polymer is supplied again to the same or different pulverization step, before the surface cross-linking step, wherein circulation pulverization ratio in the pulverization step, represented by the following equation is larger than 1.50: (Circulation pulverization ratio)=(total supply amount of the water-absorbing resin to the pulverization step)/(total discharge amount of the water-absorbing resin at the drying step) (wherein total supply amount of the water-absorbing resin to the pulverization step)=(total discharge amount of the water-absorbing resin at the drying step)+(amount of the classified polymer supplied again to the same or different pulverization step)).
摘要翻译：本发明的目的是通过简单方便的方法来增强和稳定吸水树脂的性能，例如耐损伤性或吸水速度，而不需要改变原料或昂贵的设备投资在大量的吸水树脂的制造方法中。解决问题的手段通过在表面交联工序之前的粉碎工序中使吸水性树脂循环一定量以上来解决。也就是说，在表面交联步骤之前，将分类的聚合物的至少一部分再次供给到相同或不同的粉碎步骤，其中由下式表示的粉碎步骤中的循环粉碎比大于1.50：（循环粉碎比）=（粉碎步骤中的吸水性树脂的总供给量）/（干燥工序中的吸水性树脂的总排出量）（其中，吸水性树脂与粉碎的总供给量步骤）=（干燥步骤中的吸水性树脂的总排出量）+（再次供给相同或不同的粉碎步骤的分类聚合物的量））。

3. 发明授权

US09447203B2 Method for producing water absorbent polyacrylic acid (salt) resin powder, and water absorbent polyacrylic acid (salt) resin powder 有权
标题翻译：吸水性聚丙烯酸（盐）树脂粉末和吸水性聚丙烯酸（盐）树脂粉末的制造方法
公开(公告)号：US09447203B2
公开(公告)日：2016-09-20
申请号：US13639082
申请日：2011-04-07
申请人： Sayaka Machida , Kazushi Torii , Yoko Shirai , Hiroyuki Ikeuchi , Shigeru Sakamoto , Koji Tachi , Reiko Nakatsuru
发明人： Sayaka Machida , Kazushi Torii , Yoko Shirai , Hiroyuki Ikeuchi , Shigeru Sakamoto , Koji Tachi , Reiko Nakatsuru
IPC分类号： B01J20/26 , C08F6/00 , C08F220/06 , C08J3/24 , B29B9/06 , B29C47/00 , B29C47/38 , C08F222/10 , B29C47/30 , B29C47/66 , B29C47/92 , B29B9/16
CPC分类号： B01J20/267 , B01J20/28004 , B01J20/28016 , B01J20/3007 , B01J20/3021 , B01J20/3078 , B01J20/3085 , B29B9/06 , B29B2009/161 , B29C47/0011 , B29C47/30 , B29C47/385 , B29C47/667 , B29C47/92 , B29C2947/9259 , B29C2947/92704 , C08F6/008 , C08F220/06 , C08F220/20 , C08F222/1006 , C08J3/245 , C08J2333/02 , Y10T428/2982 , C08L33/02
摘要： An object of the present invention is to provide a method for producing water absorbent resin powder in which permeability potential (SFC) is improved while a water absorbing rate (FSR) is being kept. The method is a method for producing water absorbent polyacrylic acid (salt) resin powder including the steps of: (i) polymerizing an acrylic acid (salt) monomer aqueous solution; (ii) during or after the step of (i), performing gel grinding of a hydrogel crosslinked polymer obtained by the polymerization, wherein the hydrogel crosslinked polymer has resin solid content of 10 wt % to 80 wt %, and the gel grinding is carried out with gel grinding energy (GGE) of 18 [J/g] to 60 [J/g]; (iii) drying a particulate hydrogel crosslinked polymer obtained by the gel grinding, wherein the drying is performed at 150° C. to 250° C.; and (iv) carrying out a surface treatment to the particulate hydrogel crosslinked polymer thus dried.
摘要翻译：本发明的目的是提供一种吸水性树脂粉末的制造方法，其中在保持吸水率（FSR）的同时提高渗透率（SFC）。该方法是生产吸水性聚丙烯酸（盐）树脂粉末的方法，包括以下步骤：（i）使丙烯酸（盐）单体水溶液聚合; （ii）在（i）的步骤期间或之后，进行通过聚合获得的水凝胶交联聚合物的凝胶研磨，其中所述水凝胶交联聚合物的树脂固含量为10重量％至80重量％，并且进行凝胶研磨（GGE）为18 [J / g]至60 [J / g]; （iii）干燥通过凝胶研磨获得的颗粒状水凝胶交联聚合物，其中干燥在150℃至250℃下进行; 和（iv）对由此干燥的颗粒状水凝胶交联聚合物进行表面处理。

4. 发明授权

US08513378B2 Production method for water-absorbing resin powder 有权
标题翻译：吸水树脂粉的生产方法
公开(公告)号：US08513378B2
公开(公告)日：2013-08-20
申请号：US13496440
申请日：2010-09-16
申请人： Sayaka Machida , Kazushi Torii , Yoko Shirai , Hiroyuki Ikeuchi , Kunihiko Ishizaki
发明人： Sayaka Machida , Kazushi Torii , Yoko Shirai , Hiroyuki Ikeuchi , Kunihiko Ishizaki
IPC分类号： C08G64/00 , C08G63/02
CPC分类号： C08J3/28 , C08F220/06 , C08F222/1006 , C08J3/122 , C08J3/245 , C08J2300/00
摘要： The present invention provides a method for producing a water-absorbing resin powder. The method includes a polymerization step, a drying step, a pulverization step, a classification step, and a surface cross-linking step. It further includes an additional step, performed before the surface cross-linking step, in which at least part of the classified polymer is supplied again to the same or a different pulverization step. The circulation pulverization ratio in the pulverization step is higher than 1.50.
摘要翻译：本发明提供一种吸水性树脂粉末的制造方法。该方法包括聚合步骤，干燥步骤，粉碎步骤，分级步骤和表面交联步骤。其还包括在表面交联步骤之前进行的另外的步骤，其中将至少部分分类的聚合物再次供应到相同或不同的粉碎步骤。粉碎步骤中的循环粉碎比高于1.50。

5. 发明申请

US20130026412A1 METHOD FOR PRODUCING WATER ABSORBENT POLYACRYLIC ACID (SALT) RESIN POWDER, AND WATER ABSORBENT POLYACRYLIC ACID (SALT) RESIN POWDER 有权
标题翻译：生产水吸收聚丙烯酸（盐）树脂粉的方法和水吸收聚丙烯酸（盐）树脂粉
公开(公告)号：US20130026412A1
公开(公告)日：2013-01-31
申请号：US13639082
申请日：2011-04-07
申请人： Sayaka Machida , Kazushi Torii , Yoko Shirai , Hiroyuki Ikeuchi , Shigeru Sakamoto , Koji Tachi , Reiko Nakatsuru
发明人： Sayaka Machida , Kazushi Torii , Yoko Shirai , Hiroyuki Ikeuchi , Shigeru Sakamoto , Koji Tachi , Reiko Nakatsuru
IPC分类号： B01J20/26 , C08F222/20
CPC分类号： B01J20/267 , B01J20/28004 , B01J20/28016 , B01J20/3007 , B01J20/3021 , B01J20/3078 , B01J20/3085 , B29B9/06 , B29B2009/161 , B29C47/0011 , B29C47/30 , B29C47/385 , B29C47/667 , B29C47/92 , B29C2947/9259 , B29C2947/92704 , C08F6/008 , C08F220/06 , C08F220/20 , C08F222/1006 , C08J3/245 , C08J2333/02 , Y10T428/2982 , C08L33/02
摘要： An object of the present invention is to provide a method for producing water absorbent resin powder in which permeability potential (SFC) is improved while a water absorbing rate (FSR) is being kept. The method is a method for producing water absorbent polyacrylic acid (salt) resin powder including the steps of: (i) polymerizing an acrylic acid (salt) monomer aqueous solution; (ii) during or after the step of (i), performing gel grinding of a hydrogel crosslinked polymer obtained by the polymerization, wherein the hydrogel crosslinked polymer has resin solid content of 10 wt % to 80 wt %, and the gel grinding is carried out with gel grinding energy (GGE) of 18 [J/g] to 60 [J/g]; (iii) drying a particulate hydrogel crosslinked polymer obtained by the gel grinding, wherein the drying is performed at 150° C. to 250° C.; and (iv) carrying out a surface treatment to the particulate hydrogel crosslinked polymer thus dried.
摘要翻译：本发明的目的是提供一种吸水性树脂粉末的制造方法，其中在保持吸水率（FSR）的同时提高渗透率（SFC）。该方法是生产吸水性聚丙烯酸（盐）树脂粉末的方法，包括以下步骤：（i）使丙烯酸（盐）单体水溶液聚合; （ii）在（i）的步骤期间或之后，进行通过聚合获得的水凝胶交联聚合物的凝胶研磨，其中所述水凝胶交联聚合物的树脂固含量为10重量％至80重量％，并且进行凝胶研磨（GGE）为18 [J / g]至60 [J / g]; （iii）干燥通过凝胶研磨获得的颗粒状水凝胶交联聚合物，其中干燥在150℃至250℃下进行; 和（iv）对由此干燥的颗粒状水凝胶交联聚合物进行表面处理。

6. 发明申请

US20120220733A1 PRODUCTION METHOD FOR WATER-ABSORBING RESIN POWDER 有权
标题翻译：吸水树脂粉的生产方法
公开(公告)号：US20120220733A1
公开(公告)日：2012-08-30
申请号：US13395912
申请日：2010-09-16
申请人： Sayaka Machida , Kazushi Torii , Yoko Shirai , Hiroyuki Ikeuchi , Kunihiko Ishizaki
发明人： Sayaka Machida , Kazushi Torii , Yoko Shirai , Hiroyuki Ikeuchi , Kunihiko Ishizaki
IPC分类号： C08F120/06 , C08F2/10 , C08F6/12
CPC分类号： C08J3/28 , C08F220/06 , C08F222/1006 , C08J3/122 , C08J3/245 , C08J2300/00
摘要： [PROBLEM]It is an object of the present invention to enhance and stabilize properties of a water-absorbing resin, for example, damage resistance or water-absorbing speed, by a simple and convenient method without requiring change of raw materials or expensive facility investment, in a large scale production method for the water-absorbing resin.[MEANS FOR SOLVING THE PROBLEM]It is solved by circulation of the water-absorbing resin in a predetermined amount or more in the pulverization step before the surface cross-linking step. That is, at least a part of the classified polymer is supplied again to the same or different pulverization step, before the surface cross-linking step, wherein circulation pulverization ratio in the pulverization step, represented by the following equation is 1.10 to 1.50: (Circulation pulverization ratio)=(total supply amount of the water-absorbing resin to the pulverization step)/(total discharge amount of the water-absorbing resin at the drying step) (wherein total supply amount of the water-absorbing resin to the pulverization step)=(total discharge amount of the water-absorbing resin at the drying step)+(amount of the classified polymer supplied again to the same or different pulverization step)).
摘要翻译：本发明的目的是通过简单方便的方法来增强和稳定吸水树脂的性能，例如耐损伤性或吸水速度，而不需要改变原料或昂贵的设备投资在大量的吸水树脂的制造方法中。解决问题的手段通过在表面交联工序之前的粉碎工序中使吸水性树脂循环一定量以上来解决。也就是说，在表面交联步骤之前，将分类的聚合物的至少一部分再次供给到相同或不同的粉碎步骤，其中由下式表示的粉碎步骤中的循环粉碎比为1.10至1.50：（循环粉碎比）=（粉碎步骤中的吸水性树脂的总供给量）/（干燥工序中的吸水性树脂的总排出量）（其中，吸水性树脂与粉碎的总供给量步骤）=（干燥步骤中的吸水性树脂的总排出量）+（再次供给相同或不同的粉碎步骤的分类聚合物的量））。

7. 发明申请

US20080139693A1 Particulate Water-Absorbent Resin Composition and its Production Process 有权
标题翻译：颗粒吸水树脂组合物及其制备方法
公开(公告)号：US20080139693A1
公开(公告)日：2008-06-12
申请号：US10577355
申请日：2004-11-05
申请人： Hiroyuki Ikeuchi , Kazushi Torii , Taku Iwamura , Sayaka Machida , Hiroko Okochi
发明人： Hiroyuki Ikeuchi , Kazushi Torii , Taku Iwamura , Sayaka Machida , Hiroko Okochi
IPC分类号： C08K5/053
CPC分类号： C08J3/245 , A61L15/24 , A61L15/60 , C08J2333/02 , C08K5/053 , C08L33/02
摘要： An object of the present invention is to provide a particulate water-absorbent resin composition and its production process, wherein the particulate water-absorbent resin composition is an enhanced one in both of the “liquid permeability” and “liquid-sucking-up property” (which have hitherto been antithetical physical properties) of the water-absorbent resin. As a means of achieving this object, a first particulate water-absorbent resin composition according to the present invention is a particulate water-absorbent resin composition comprising a water-absorbent resin (A) of a crosslinked structure obtained by polymerizing an acid-group-containing unsaturated monomer, with the composition being characterized by: having a particle size such that particles in the range of 850 to 150 μm (but not including 850 μm) account for not less than 90 weight % of the entirety; and containing a tetra- or more functional polyol (B) at least on surfaces.
摘要翻译：本发明的目的在于提供一种颗粒状吸水性树脂组合物及其制造方法，其特征在于，所述颗粒状吸水性树脂组合物是“液体渗透性”和“吸液性” （其迄今为止为对称物理性质）的吸水性树脂。作为实现该目的的手段，本发明的第一粒状吸水性树脂组合物是含有吸水性树脂（A）的颗粒状吸水性树脂组合物，所述吸水性树脂（A）是将酸 - 所述组合物的特征在于：具有使得在850〜150μm（但不包括850μmum）的范围内的颗粒占整个体积不小于90wt％的粒径; 并且至少在表面上含有四官能以上的多元醇（B）。

8. 发明申请

US20100270501A1 Water absorbing agent and production method thereof 有权
标题翻译：吸水剂及其制备方法
公开(公告)号：US20100270501A1
公开(公告)日：2010-10-28
申请号：US12808066
申请日：2009-03-06
申请人： Kazushi Torii , Sayaka Machida , Yoshifumi Adachi , Hiroyuki Ikeuchi
发明人： Kazushi Torii , Sayaka Machida , Yoshifumi Adachi , Hiroyuki Ikeuchi
IPC分类号： B01J20/26
CPC分类号： C08L79/02 , C08L33/02 , C08L101/14 , C08L2666/20 , C08L2666/04
摘要： The present invention provides a water absorbing agent that is excellent in a balance between a centrifugal retention capacity (CRC) and a saline flow conductivity (SFC), and a method for producing the water absorbing agent.The method for producing the water absorbing agent, the method comprising mixing (i) a water absorbing resin (A) and (ii) a polymer (B) being a polyamine polymer having a hydroxyl group on a main chain provides a water absorbing agent containing (i) the water absorbing resin (A) and (ii) the polymer (B) being a polyamine polymer having a hydroxyl group on a main chain.
摘要翻译：本发明提供了在离心保留容量（CRC）和盐水导流率（SFC）之间的平衡优异的吸水剂，以及吸水剂的制造方法。制造吸水剂的方法包括将（i）吸水性树脂（A）和（ii）作为主链上具有羟基的聚胺聚合物的聚合物（B）混合的方法提供含有（i）吸水树脂（A）和（ii）聚合物（B）是在主链上具有羟基的聚胺聚合物。

9. 发明申请

US20070207924A1 Aqueous-Liquid-Absorbing Agent and its Production Process 有权
标题翻译：水性吸液剂及其制备方法
公开(公告)号：US20070207924A1
公开(公告)日：2007-09-06
申请号：US10593706
申请日：2005-03-11
申请人： Hiroyuki Ikeuchi , Kazushi Torii , Shigeru Sakamoto , Taku Iwamura , Sayaka Machida
发明人： Hiroyuki Ikeuchi , Kazushi Torii , Shigeru Sakamoto , Taku Iwamura , Sayaka Machida
IPC分类号： B01J20/26
CPC分类号： C08J3/245
摘要： An object of the present invention is to provide an aqueous-liquid-absorbing agent which comprises water-absorbent resin particles as essential components and is suitable for uses in sanitary materials. As a means of achieving this object, an aqueous-liquid-absorbing agent according to the present invention is an aqueous-liquid-absorbing agent comprising water-absorbent resin particles as essential components, wherein the water-absorbent resin particles are obtained by a process including the step of polymerizing a water-soluble ethylenically unsaturated monomer and have a crosslinked structure in their inside; with the aqueous-liquid-absorbing agent exhibiting an absorption rate (FSR) of not less than 0.2 g/g/s, a water absorption capacity (CRC) of 5 to 25 g/g, a saline flow conductivity (SFC) of not less than 400×10−7 cm3·s/g, and a wet porosity of not less than 20%. A process according to the present invention for obtaining such an aqueous-liquid-absorbing agent is characterized by comprising the steps of: obtaining a hydrogel from an aqueous monomer solution including a water-soluble ethylenically unsaturated monomer and an internal-crosslinking agent of not less than 0.2 mol % in ratio to the monomer; and then extruding this hydrogel from a perforated structure having perforation diameters in the range of 0.3 to 6.4 mm to thereby pulverize the hydrogel.
摘要翻译：本发明的目的是提供一种含水吸收剂，其包含作为必需成分的吸水性树脂粒子，适用于卫生材料。作为实现该目的的手段，本发明的水性液体吸收剂是以吸水性树脂粒子为必须成分的水性液体吸收剂，其中吸水性树脂粒子是通过包括聚合水溶性烯键式不饱和单体并在其内部具有交联结构的步骤; 吸水率（FSR）为0.2g / g / s以上，吸水容量（CRC）为5〜25g / g，盐水流动电导率（SFC）不为小于400×10 -3 cm 3 / g，湿气孔率不小于20％。根据本发明的用于获得这种水性液体吸收剂的方法的特征在于包括以下步骤：从包含水溶性烯键式不饱和单体和不少于少量的内部交联剂的单体水溶液获得水凝胶与单体的比例为0.2摩尔％以上; 然后从穿孔直径在0.3至6.4mm范围内的穿孔结构体挤出该水凝胶，从而粉碎水凝胶。

10. 发明授权

US07402643B2 Water-absorbent resin having treated surface and process for producing the same 有权
标题翻译：具有处理表面的吸水性树脂及其制造方法
公开(公告)号：US07402643B2
公开(公告)日：2008-07-22
申请号：US10941873
申请日：2004-09-16
申请人： Kazushi Torii , Taku Iwamura , Hiroyuki Ikeuchi , Sayaka Machida
发明人： Kazushi Torii , Taku Iwamura , Hiroyuki Ikeuchi , Sayaka Machida
IPC分类号： C08F20/06 , C08F120/06
CPC分类号： A61L15/60 , C08F8/42 , C08F2810/20 , C08J3/245 , C08J2300/14 , C08F220/06
摘要： An object of the present invention is to provide: a water-absorbent resin which can sufficiently overcome the problem of the gel blocking, can manifest sufficient absorption capacity without load and sufficient absorption capacity under load and, at the same time, can also exert excellent liquid permeability under load; and a process for producing the same. As a means of achieving this object, a first production process among the processes according to the present invention for producing a water-absorbent resin having a treated surface is a process comprising: a step of mixing a water-absorbent resin having an internal crosslinked structure obtained by polymerizing a monomer containing acrylic acid and/or a salt thereof as a main component, a complex containing a polyvalent metal atom as a central atom and an organic secondary crosslinking agent in the presence of an aqueous liquid; and a step of crosslinking a surface of the water-absorbent resin with the organic secondary crosslinking agent. And a second production process is a process comprising a step of mixing a water-absorbent resin having an internal crosslinked structure and a crosslinked surface obtained by polymerizing a monomer containing acrylic acid and/or a salt thereof as a main component, and a complex containing a polyvalent metal atom as a central atom in the presence of an aqueous liquid.
摘要翻译：本发明的目的是提供：能够充分克服凝胶堵塞问题的吸水性树脂，能够显示足够的负载吸收能力和负载下的充分吸收能力，同时也能发挥优异的吸收性负载下液体渗透性; 及其制造方法。作为实现该目的的手段，根据本发明的用于制备具有处理表面的吸水性树脂的方法中的第一制备方法是包括以下步骤：将具有内部交联结构的吸水性树脂通过使含有丙烯酸和/或其盐的单体作为主要成分，含有多价金属原子作为中心原子的配合物和有机二次交联剂在含水液体的存在下聚合而获得的; 以及用有机二次交联剂使吸水性树脂的表面交联的工序。第二制造方法是将具有内部交联结构的吸水性树脂与通过聚合含有丙烯酸和/或其盐的单体作为主要成分而得到的交联表面混合的工序，以及含有在含水液体存在下作为中心原子的多价金属原子。

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